:root{--bg:#fff8f2;--card:#fff;--text:#2f241f;--muted:#77665d;--good:#0f934e;--bad:#d44d65}*{box-sizing:border-box}body{margin:0;font-family:Inter,system-ui,sans-serif;color:var(--text);background:radial-gradient(circle at top,#fff1e5 0%,var(--bg) 48%,#fffdfb 100%)}.app-shell{width:min(1100px,calc(100% - 24px));margin:0 auto;padding:18px 0 42px}.app-header{text-align:center;margin-bottom:18px}.app-header__top{display:flex;justify-content:space-between;align-items:center;gap:12px;margin-bottom:12px}.back-link,.chip{text-decoration:none;border:none;background:#fff;padding:10px 14px;border-radius:999px;color:#7f563f;font-weight:800;box-shadow:0 8px 20px rgba(0,0,0,.06);font:inherit}.top-actions{display:flex;align-items:center;gap:8px}.icon-btn,.home-btn,.parent-icon-btn{display:inline-flex;align-items:center;justify-content:center;width:46px;min-width:46px;height:46px;text-decoration:none;border:none;border-radius:14px;background:#fff;color:#7f563f;box-shadow:0 8px 20px rgba(0,0,0,.06);font:inherit;font-size:24px;font-weight:900;line-height:1;padding:0}.parent-icon-btn{background:#eef6ff;color:#2358a5;font-size:18px}.chip--parent{background:#eef6ff;color:#2358a5}.app-header h1{margin:8px 0;font-size:clamp(30px,5vw,54px)}.app-header p{margin:0;color:var(--muted);font-size:18px}.item-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(170px,1fr));gap:16px}.item-card{border:none;border-radius:26px;padding:18px;min-height:180px;color:#fff;font:inherit;box-shadow:0 16px 36px rgba(0,0,0,.08)}.item-card__name{display:block;font-size:26px;font-weight:900}.item-card__en{display:block;margin-top:8px;font-size:18px;font-weight:700;opacity:.92}.art-card{display:flex;align-items:center;justify-content:center;width:100%;margin:0 0 12px}.art-card__img{display:block;width:min(100%,120px);aspect-ratio:1/1;object-fit:contain;background:rgba(255,255,255,.58);border-radius:24px;padding:8px;box-shadow:inset 0 2px 10px rgba(255,255,255,.35)}.quiz-box{position:relative;margin-top:24px;background:#fff;border-radius:28px;padding:20px;box-shadow:0 16px 40px rgba(0,0,0,.07)}.quiz-top{display:flex;justify-content:space-between;align-items:center;gap:10px}.action-btn{border:none;border-radius:16px;padding:14px 18px;font:inherit;font-weight:900;background:#ff8a5b;color:#fff}.quiz-feedback{min-height:28px;margin-top:12px;font-size:24px;font-weight:900;text-align:center}.quiz-feedback.is-good{color:var(--good)}.quiz-feedback.is-bad{color:var(--bad)}.reward-board{margin-top:14px;text-align:center;font-size:20px;font-weight:800}.reward-stickers{margin-top:8px;font-size:30px}.reward-stickers.is-bounce{animation:rewardBounce .55s ease}.quiz-box.is-celebrating{animation:celebratePop .55s ease;box-shadow:0 20px 48px rgba(255,138,91,.2)}.quiz-box.is-shake{animation:quizShake .35s ease}.confetti-burst{position:absolute;inset:0;pointer-events:none;overflow:hidden;border-radius:28px}.confetti-piece{position:absolute;top:-8px;width:12px;height:18px;border-radius:999px;opacity:0;animation:confettiFall .9s ease-out forwards}.confetti-piece:nth-child(1){left:8%;background:#ff6b6b;animation-delay:0s}.confetti-piece:nth-child(2){left:18%;background:#ffd93d;animation-delay:.04s}.confetti-piece:nth-child(3){left:30%;background:#6bcB77;animation-delay:.08s}.confetti-piece:nth-child(4){left:42%;background:#4d96ff;animation-delay:.12s}.confetti-piece:nth-child(5){left:54%;background:#b36eff;animation-delay:.16s}.confetti-piece:nth-child(6){left:66%;background:#ff8cc6;animation-delay:.2s}.confetti-piece:nth-child(7){left:78%;background:#ff9f43;animation-delay:.24s}.confetti-piece:nth-child(8){left:90%;background:#59c98d;animation-delay:.28s}@keyframes celebratePop{0%{transform:scale(.985)}45%{transform:scale(1.015)}100%{transform:scale(1)}}@keyframes rewardBounce{0%{transform:scale(1)}35%{transform:scale(1.18) rotate(-4deg)}70%{transform:scale(.96) rotate(3deg)}100%{transform:scale(1)}}@keyframes quizShake{0%,100%{transform:translateX(0)}25%{transform:translateX(-6px)}50%{transform:translateX(6px)}75%{transform:translateX(-4px)}}@keyframes confettiFall{0%{transform:translateY(0) rotate(0deg);opacity:0}15%{opacity:1}100%{transform:translateY(120px) rotate(220deg);opacity:0}}.parent-panel{position:fixed;inset:0;background:rgba(0,0,0,.35);display:none;align-items:center;justify-content:center;padding:16px}.parent-panel.is-open{display:flex}.parent-panel__card{background:#fff;border-radius:24px;padding:20px;max-width:360px;width:100%;text-align:center}.parent-panel__actions{display:flex;justify-content:center;gap:10px;flex-wrap:wrap}@media(max-width:768px){.app-shell{width:min(100% - 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